Calculate A+B-C+D
[6410] Calculate A+B-C+D - Look at the series (7, 16, 43, B, A, 1096, 3283, 9844, 29527, C, 265723, D, ...), determine the pattern, and find the unknown values (A, B, C and D) and calculate A+B-C+D! - #brainteasers #math - Correct Answers: 19 - The first user who solved this task is Nasrin 24 T
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Calculate A+B-C+D

Look at the series (7, 16, 43, B, A, 1096, 3283, 9844, 29527, C, 265723, D, ...), determine the pattern, and find the unknown values (A, B, C and D) and calculate A+B-C+D!
Correct answers: 19
The first user who solved this task is Nasrin 24 T.
#brainteasers #math
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Waiting for love

A fellow in a bar notices a woman, always alone, come in on a fairly regular basis. After the second week, he made his move.

"No thank you." she said politely. "This may sound rather odd in this day and age, but I'm keeping myself pure until I meet the man I love."

"That must be rather difficult." the man replied.

"Oh, I don't mind too much." she said. "But, it has my husband pretty upset."

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Halton Christian Arp

Born 21 Mar 1927; buried 28 Dec 2013 at age 86. American astronomer noted for challenging the theory that red shifts of quasars indicate their great distance. Arp is one of the key actors in the contemporary debate on the origin and evolution of galaxies in the universe. His landmark compilation of peculiar galaxies led him to challenge the fundamental assumption of modern cosmology, that redshift is a uniform indicator of distance. Astronomers have debated Arp's assertion that quasars are related to peculiar galaxies since the late 1960's. Most astronomers believe that quasars are unrelated to the peculiar galaxies. Yet, no one has been able to explain why the quasars seem to be more numerous around the peculiar galaxies.
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